PDFWAC 51-11C-303131
Table C303.1.3(1)—Default glazed window, glass door and skylight U-factors.
Table C303.1.3(1)
Default Glazed Window, Glass Door and Skylight U-Factors
Window and Glass Door | |||
FRAME TYPE | SINGLE PANE | DOUBLE PANE | SKY-LIGHT |
Metal | 1.20 | 0.80 | |
Metal with Thermal Break | 1.10 | 0.65 | See Table C303.1.3(4) |
Nonmetal or Metal Clad | 0.95 | 0.55 | |
Glazed Block | 0.60 | ||
[Statutory Authority: RCW 19.27A.020, 19.27A.025, 19.27A.160 and chapter 19.27 RCW. WSR 19-24-040, § 51-11C-303131, filed 11/26/19, effective 7/1/20. Statutory Authority: RCW 19.27A.025, 19.27A.160, and 19.27.074. WSR 16-03-072, § 51-11C-303131, filed 1/19/16, effective 7/1/16. Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. WSR 13-04-056, § 51-11C-303131, filed 2/1/13, effective 7/1/13.]